240064204371321 has 16 divisors (see below), whose sum is σ = 349281807715008. Its totient is φ = 145452827841600.

The previous prime is 240064204371311. The next prime is 240064204371337. The reversal of 240064204371321 is 123173402460042.

It is not a de Polignac number, because 240064204371321 - 2¹¹ = 240064204369273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240064204371321.

It is not an unprimeable number, because it can be changed into a prime (240064204371311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1015613866 + ... + 1015850211.

It is an arithmetic number, because the mean of its divisors is an integer number (21830112982188).

Almost surely, 2^{240064204371321} is an apocalyptic number.

It is an amenable number.

240064204371321 is a deficient number, since it is larger than the sum of its proper divisors (109217603343687).

240064204371321 is a wasteful number, since it uses less digits than its factorization.

240064204371321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031467672.

The product of its (nonzero) digits is 193536, while the sum is 39.

The spelling of 240064204371321 in words is "two hundred forty trillion, sixty-four billion, two hundred four million, three hundred seventy-one thousand, three hundred twenty-one".